mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-12-26 20:16:55 -05:00
40 lines
733 B
Go
40 lines
733 B
Go
package buf
|
|
|
|
import (
|
|
"syscall"
|
|
)
|
|
|
|
type windowsReader struct {
|
|
bufs []syscall.WSABuf
|
|
}
|
|
|
|
func (r *windowsReader) Init(bs []*Buffer) {
|
|
if r.bufs == nil {
|
|
r.bufs = make([]syscall.WSABuf, 0, len(bs))
|
|
}
|
|
for _, b := range bs {
|
|
r.bufs = append(r.bufs, syscall.WSABuf{Len: uint32(Size), Buf: &b.v[0]})
|
|
}
|
|
}
|
|
|
|
func (r *windowsReader) Clear() {
|
|
for idx := range r.bufs {
|
|
r.bufs[idx].Buf = nil
|
|
}
|
|
r.bufs = r.bufs[:0]
|
|
}
|
|
|
|
func (r *windowsReader) Read(fd uintptr) int32 {
|
|
var nBytes uint32
|
|
var flags uint32
|
|
err := syscall.WSARecv(syscall.Handle(fd), &r.bufs[0], uint32(len(r.bufs)), &nBytes, &flags, nil, nil)
|
|
if err != nil {
|
|
return -1
|
|
}
|
|
return int32(nBytes)
|
|
}
|
|
|
|
func newMultiReader() multiReader {
|
|
return new(windowsReader)
|
|
}
|